WO2023004885A1

WO2023004885A1 - Folding display apparatus

Info

Publication number: WO2023004885A1
Application number: PCT/CN2021/111961
Authority: WO
Inventors: 江国宝
Original assignee: 武汉华星光电技术有限公司; 武汉华星光电半导体显示技术有限公司
Priority date: 2021-07-30
Filing date: 2021-08-11
Publication date: 2023-02-02
Also published as: US11960328B2; CN113487974B; CN113487974A; US20240028085A1

Abstract

A folding display device, the folding display device comprising a display panel (20) and a rotating mechanism supporting the display panel (20). The rotating mechanism comprises a first sliding member (304) and a second sliding member (305) which are slidably connected to each other. The first sliding member (304) and the second sliding member (305) are both slidably connected to a first base (303). By means of relative sliding motion of the first sliding member (304) and the second sliding member (305), two opposite sides of the rotating mechanism are synchronously folded, thereby increasing the smoothness of the folding process.

Description

folding display device

This application claims the priority of the Chinese patent application with the application number 202110872191.0 and the title of the invention "folding display device" submitted to the China Patent Office on July 30, 2021, the entire contents of which are incorporated in this application by reference.

technical field

This application relates to the field of display technology. In particular, it relates to a folding display device.

Background technique

Flexible and foldable display devices are becoming more and more popular in the market. Flexible screen mobile phones refer to mobile phones with bendable and flexible screens. Compared with traditional screens, flexible screens have obvious advantages, which not only provide users with new use effects, Moreover, the volume is smaller, the power consumption is lower, and the screen is flexible, reducing the risk of screen cracking.

Folding hinge is an important component to realize the foldable characteristics of flexible display devices, and it plays an important role in screen protection, folding synchronization, etc. At present, the method for folding hinges to achieve folding synchronization is to set up a synchronization structure including multiple gears that cooperate with each other. Each gear in the gear synchronization structure realizes coordinated rotation through mutual meshing, and then drives the flexible screens on both sides to fold synchronously. However, during the rotation of the gears, due to meshing precision factors, there is a feeling of frustration, and it is easy to cause damage to the teeth of the gears, thereby affecting the smoothness of the synchronous folding of the display device.

technical problem

The current synchronous structure has the technical problem of poor fluency in the folding process.

technical solution

The present application provides a folding display device, which is used to alleviate the technical problem of poor fluency of the synchronization structure in the folding process of the current folding display device.

The present application provides a foldable display device, which includes a display panel and a rotating mechanism supporting the display panel; the rotating mechanism includes:

first base;

A first sliding member and a second sliding member, the first sliding member is slidably connected to the first base, the second sliding member is slidably connected to the first base, the first sliding member is slidably connected to the first base, Two sliding members are slidingly connected, the first sliding member includes a first guide rail, and the second sliding member includes a second guide rail;

A first torsion member and a second torsion member, the first torsion member is rotatably connected to one side of the first base around a first rotation centerline, and the second torsion member is connected to the other side of the first base The first torsion member includes a first connecting piece, the second torsion member includes a second connecting piece, and the first torsion member is slidably connected to the first guide rail. The second connecting piece is slidably connected to the second guide rail;

The central axis of the first connecting member does not coincide with the first rotational centerline, and the central axis of the second connecting member does not coincide with the second rotational central line.

In the folding display device of the present application, the first base is provided with a receiving groove, one side of the receiving groove is provided with a first sliding part, and the first sliding member is slidably connected with the first sliding part;

The other side of the receiving groove is provided with a second sliding part, and the second sliding member is slidably connected with the second sliding part.

In the folding display device of the present application, a third sliding part is provided on one side of the first sliding member, and a fourth sliding part is provided on the other side of the first sliding member; the third sliding part and the The first sliding part is slidably connected.

In the folding display device of the present application, a fifth sliding part is provided on one side of the second sliding member, and a sixth sliding part is provided on the other side of the second sliding member; the fifth sliding part and the The second sliding part is slidably connected, and the fourth sliding part is slidably connected to the sixth sliding part.

In the folding display device of the present application, the first sliding part includes a first guiding groove, and the third sliding part includes a first protrusion slidingly fitted with the first guiding groove.

In the folding display device of the present application, the second sliding part includes a second guiding groove, and the fifth sliding part includes a second protrusion slidingly fitted with the second guiding groove.

In the folding display device of the present application, the fourth sliding part includes a third protrusion, and the sixth sliding part includes a third guide groove slidingly fitted with the third protrusion.

In the folding display device of the present application, the extending direction of the first guide rail is perpendicular to the extending direction of the first protrusion;

The extending direction of the second guide rail is perpendicular to the extending direction of the second protrusion.

In the folding display device of the present application, the extending direction of the first protrusion is set obliquely relative to the plane where the display panel is located, and the extending direction of the second protrusion is set obliquely relative to the plane where the display panel is located.

In the folding display device of the present application, the extending direction of the third protrusion is set parallel to the plane where the display panel is located, and the extending direction of the third guide groove is set parallel to the plane where the display panel is located.

In the folding display device of the present application, the first guide rail includes a groove structure or a hole structure, and the second guide rail includes a groove structure or a hole structure;

Both the first connector and the second connector include a rod structure.

In the foldable display device of the present application, the foldable display device further includes a first rotating shaft and a second rotating shaft, the first torsion member is rotationally connected to the first base through the first rotating shaft, and the The second torsion member is rotationally connected with the first base through the second rotational shaft.

In the folding display device of the present application, the folding display device further includes a third torsion member passing through the first rotating shaft and the second rotating shaft, and a third torsion member passing through the first rotating shaft. The first elastic member and the second elastic member pass through the second rotating shaft.

In the folding display device of the present application, the first torsion member includes a first cam that passes through the first rotation shaft, and the second torsion member includes a first cam that passes through the second rotation shaft. Two cams, the third torsion member includes a third cam passing through the first rotating shaft and cooperating with the first cam, and passing through the second rotating shaft and cooperating with the first cam The second cam cooperates with the fourth cam.

In the foldable display device of the present application, opposite ends of the first elastic member are respectively abutted against the third torsion member and the first base, and opposite ends of the second elastic member are respectively abutted against The third torsion member and the first base.

In the foldable display device of the present application, the foldable display device further includes a second base fixedly connected to the first base, a first support plate and a second support plate rotatably connected to the second base.

In the folding display device of the present application, the first support plate includes a third guide rail, and the end of the first torsion member away from the first base is slidably connected to the third guide rail;

The second support plate includes a fourth guide rail, and the end of the second torsion member away from the first base is slidably connected to the fourth guide rail.

In the foldable display device of the present application, the third guide rail includes a first sliding hole provided on the side of the first support plate away from the display panel, and the fourth guide rail includes a first slide hole provided on the second support plate a second sliding hole on a side away from the display panel;

The end of the first torsion member away from the first base is provided with a first sliding rod, and the first sliding rod is slidably connected to the first sliding hole;

The end of the second torsion member away from the first base is provided with a second sliding rod, and the second sliding rod is slidably connected with the second sliding hole.

In the folding display device of the present application, a first sliding groove and a second sliding groove are provided on a side of the second base facing the display panel;

The folding display device further includes a first sliding block slidably connected to the first sliding groove, and the first sliding block is fixedly connected to the first support plate;

The folding display device further includes a second sliding block slidably connected to the second sliding groove, and the second sliding block is fixedly connected to the second support plate.

The present application also provides a foldable display device, which includes a display panel and a rotating mechanism supporting the display panel; the rotating mechanism includes:

first base;

A first sliding member and a second sliding member, the first sliding member is slidably connected to the first base in a direction inclined to the plane where the display panel is located, the second sliding member is connected to the first base along the direction The plane where the display panel is located is slidably connected in an inclined direction, the first sliding member and the second sliding member are slidably connected in a direction parallel to the plane where the display panel is located, the first sliding member includes a first guide rail, The second slide member includes a second guide rail;

The central axis of the first connecting member does not coincide with the first rotational centerline, and the central axis of the second connecting member does not coincide with the second rotational central line;

The direction in which the first connecting piece slides along the first guide rail is perpendicular to the direction in which the first sliding member slides relative to the first base, and the direction in which the second connecting piece slides along the second guide rail is perpendicular to the direction in which the first sliding member slides relative to the first base. The direction in which the second sliding member slides relative to the first base is vertical.

Beneficial effect

The present application provides a foldable display device, which includes a display panel and a rotating mechanism supporting the display panel. The rotating mechanism includes a first sliding member and a second sliding member that are slidably connected to each other. The first sliding member and the second sliding member are both connected to the first sliding member. A base is slidingly connected, the first sliding member includes a first guide rail, the second sliding member includes a second guide rail, the first torsion member is rotationally connected to one side of the first base around the first rotation centerline, the second torsion member is connected to the first The other side of the base is rotationally connected around the second centerline of rotation, the first torsion member includes a first connecting piece, the second torsion member includes a second connecting piece, the first connecting piece is slidingly connected to the first guide rail, and the second connecting piece is connected to the first guide rail. The second guide rail is slidingly connected, and the central axis of the first connecting piece does not coincide with the first rotation centerline, and the central axis of the second connecting piece does not coincide with the second rotation centerline. In this application, the first sliding member and the second sliding member are arranged to be slidingly connected to each other, and both of them are slidingly connected to the first base, and the first sliding member is connected to the first connecting piece on the first torsion member through the first guide rail. Sliding connection, the second sliding member is slidingly connected to the second connecting piece on the second torsion member through the second guide rail, so that the relative sliding of the first sliding member and the second sliding member can drive the opposite sides of the rotating mechanism to fold synchronously , improving the fluency and stability during the folding process.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only for application For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

FIG. 1 is a schematic diagram of a foldable display device provided in an embodiment of the present application in a flattened state.

Fig. 2 is a schematic diagram of a folded display device provided in an embodiment of the present application in a folded state.

Fig. 3 is a disassembled view of the folding display device provided by the embodiment of the present application.

Fig. 4 is an exploded view of the first end of the rotating mechanism provided by the embodiment of the present application.

Fig. 5 is a first view in a flattened state of the first end provided by the embodiment of the present application.

Fig. 6 is a second view of the flattened state of the first end provided by the embodiment of the present application.

Fig. 7 is a view in a folded state of the first end provided by the embodiment of the present application.

Fig. 8 is a third view in a flattened state of the first end provided by the embodiment of the present application.

Fig. 9 is a schematic diagram of a mating state of the first sliding member and the second sliding member provided by the embodiment of the present application.

Fig. 10 is a schematic diagram of a separation state of the first sliding member and the second sliding member provided by the embodiment of the present application.

Fig. 11 is a schematic structural diagram of a first base provided by an embodiment of the present application.

Fig. 12 is a partial perspective view of the first end provided in the embodiment of the present application in a flattened state.

Fig. 13 is a partial perspective view of the first end provided in the embodiment of the present application in a folded state.

Fig. 14 is a partially disassembled view of the first end provided by the embodiment of the present application.

Fig. 15 is a schematic diagram of a partial structure of the first end near the second base provided by the embodiment of the present application.

Embodiments of the present invention

The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments that the present application can be used to implement. The directional terms mentioned in this application, such as [top], [bottom], [front], [back], [left], [right], [inside], [outside], [side], etc., are for reference only The orientation of the attached schema. Therefore, the directional terms used are used to illustrate and understand the application, but not to limit the application. In the figures, structurally similar elements are denoted by the same reference numerals.

An embodiment of the present application provides a foldable display device, which includes a display panel and a rotating mechanism supporting the display panel. The rotating mechanism includes a first sliding member and a second sliding member that are slidably connected to each other. The first sliding member and the second sliding member are both Slidingly connected with the first base, the first sliding member includes a first guide rail, the second sliding member includes a second guide rail, the first torsion member is rotationally connected with one side of the first base around the first rotation centerline, and the second torsion member is connected with The other side of the first base is rotatably connected around the second rotation centerline, the first torsion member includes a first connecting piece, the second torsion member includes a second connecting piece, the first connecting piece is slidingly connected to the first guide rail, and the second connecting piece The piece is slidingly connected with the second guide rail, and the central axis of the first connecting piece does not coincide with the first rotation centerline, and the central axis of the second connection piece does not coincide with the second rotation centerline. In the embodiment of the present application, a first sliding member and a second sliding member that are slidably connected to each other are provided, both of which are slidably connected to the first base, and the first sliding member is connected to the first sliding member on the first torsion member through the first guide rail. The connecting piece is slidably connected, and the second sliding member is slidably connected to the second connecting piece on the second torsion member through the second guide rail, so that the relative sliding of the first sliding member and the second sliding member can drive the opposite sides of the rotating mechanism Synchronous folding improves fluency and stability during folding.

The features of the folding display device provided by the present application will be described below in conjunction with specific embodiments.

Please refer to Figures 1 to 3, wherein Figure 1 is a schematic diagram of the foldable display device provided in the embodiment of the present application in a flat state, and Figure 2 is a schematic view of the foldable display device provided in the embodiment of the present application in a folded state. 3 is a disassembled view of the folding display device provided by the embodiment of the present application.

The foldable display device includes a housing 10, a rotating mechanism disposed in the housing cavity of the housing 10, and a display panel 20 disposed on the same side of the housing 10 and the rotating mechanism. It includes a first housing 101 and a second housing 102 . Wherein, the housing 10 and the rotating mechanism form a back support surface of the display panel 20 to support the display panel 20 to switch between a flattened state and a fully folded state.

The rotation mechanism includes: a first end P1, a second end P2, and an intermediate support structure located between the first end P1 and the second end P2; the intermediate support structure includes: a second end An intermediate support plate 331, a first intermediate slider 333 fixedly connected to the first intermediate support plate 331, a second intermediate support plate 332, and a second intermediate slider 334 fixedly connected to the second intermediate support plate 332 , and an intermediate base slidingly connected to both the first intermediate slider 333 and the second intermediate slider 334 , the intermediate base is fixedly connected to the cover 40 of the folding display device.

The first end portion P1 and the second end portion P2 have the same structure, and are symmetrically arranged at opposite ends of the intermediate support structure in the rotating mechanism. The first end portion P1 and the second end portion P2 support the display panel 20 in the foldable display device, and realize the synchronous rotation of opposite sides of the rotation mechanism at the same angle.

Please refer to Figure 4 to Figure 8 further, Figure 4 is an exploded view of the first end of the rotating mechanism provided by the embodiment of the present application, and Figure 5 is the first view of the first end in the flattened state provided by the embodiment of the present application , Figure 6 is a second view of the first end in the flattened state provided by the embodiment of the present application, Figure 7 is a view of the first end in the folded state provided by the embodiment of the present application, and Figure 8 is a view of the folded state of the first end provided by the embodiment of the present application Third view of the first end of , in the flattened state.

The first end P1 includes: a first base 303 , a first sliding member 304 and a second sliding member 305 slidably connected to the first base 303 , and a first torsion member rotatably connected to the first base 303 306 and the second torsion member 307. Wherein, the first torsion member 306 is connected to one side of the first base 303, and is rotatable relative to the first base 303 around a first rotation center line; the second torsion member 307 is connected to the The other side of the first base 303 is rotatable relative to the first base 303 around the second rotation centerline.

The first torsion member 306 is provided with a first connecting piece 308 , the first connecting piece 308 is fixedly connected to the first torsion member 306 , and the first connecting piece 308 slides with the first sliding member 304 connected, and the central axis of the first connecting member 308 does not coincide with the first rotation centerline, so that when the first torsion member 306 rotates, the first connecting member 308 slides relative to the first The member 304 slides and drives the first sliding member 304 to partially rotate.

The second torsion member 307 is provided with a second connecting piece 309, the second connecting piece 309 is fixedly connected with the second torsion member 307, and the second connecting piece 309 slides with the second sliding member 305 connected, and the central axis of the second connecting member 309 does not coincide with the second rotation centerline, so that when the second torsion member 307 rotates, the second connecting member 309 slides relative to the second The member 305 slides and drives the second sliding member 305 to partially rotate.

Specifically, the first base 303 is provided with a receiving groove, the first sliding member 304 and the second sliding member 305 are both arranged in the receiving groove, and the first sliding member 304 and the The second sliding members 305 are slidingly connected to each other.

In this embodiment, the sliding connection between the first sliding member 304 and the first base 303, the sliding connection between the second sliding member 305 and the first base 303, the sliding connection between the first sliding member 304 and the The sliding connection of the second sliding member 305, the sliding connection of the first sliding member 304 relative to the first torsion member 306, and the sliding connection of the second sliding member 305 relative to the second torsion member 307, The synchronous rotation of the first torsion member 306 and the second torsion member 307 around the first base 303 is realized, and because there is no gear transmission in the synchronous mechanism, but the synchronous rotation is realized through sliding fit, thus improving The smoothness of the rotating mechanism during the rotation process is ensured.

Please refer to Figures 9 to 11. Figure 9 is a schematic diagram of the mating state of the first sliding member and the second sliding member provided by the embodiment of the present application, and Figure 10 is a schematic diagram of the first sliding member and the second sliding member provided by the embodiment of the present application. 11 is a schematic diagram of the structure of the first base provided by the embodiment of the present application.

One side of the receiving groove of the first base 303 is provided with a first sliding portion H1, and the other side of the receiving groove of the first base 303 is provided with a second sliding portion H2, and the first sliding member 304 is connected to the first sliding member 304. The first sliding part H1 is slidably connected, and the second sliding member 305 is slidably connected to the second sliding part H2, so that the first sliding part H1 and the second sliding part H2 are respectively connected to the first sliding part H2. A base 303 is slidably connected.

Further, one side of the first sliding member 304 is provided with a third sliding portion H3, and the other side of the first sliding member 304 is provided with a fourth sliding portion H4; one side of the second sliding member 305 A fifth sliding part H5 is provided, and a sixth sliding part H6 is provided on the other side of the second sliding member 305; the third sliding part H3 is slidably connected with the first sliding part H1, and the fifth sliding part The part H5 is slidably connected with the second sliding part H2, and the fourth sliding part H4 is slidably connected with the sixth sliding part H6.

Optionally, the first sliding part H1 and the third sliding part H3 may respectively be a protrusion structure and a guide groove structure that cooperate with each other, and the second sliding part H2 and the fifth sliding part H5 may be They are mutually cooperating protrusion structures and guiding groove structures respectively, and the fourth sliding part H4 and the sixth sliding part H6 may be mutually cooperating protrusion structures and guiding groove structures respectively.

Further, the first sliding part H1 includes a first guiding groove, the second sliding part H2 includes a second guiding groove, and the third sliding part H3 includes a The first protrusion, the fifth sliding part H5 includes a second protrusion that is slidably engaged with the second guide groove.

The fourth sliding part H4 includes a third protrusion, and the sixth sliding part H6 includes a third guide groove slidingly matched with the third protrusion.

Further, the first sliding member 304 is further provided with a first guide rail D1, and the second sliding member 305 is provided with a second guide rail D2. The first connecting piece 308 connected to the first torsion member 306 is slidably connected to the first guide rail D1 , and the second connecting member 309 connected to the second torsion member 307 is slidably connected to the second guide rail D2 .

Optionally, the first guide rail D1 may be a groove structure or a hole structure provided on the first sliding member 304, and the second guide rail D2 may be a groove structure provided on the second sliding member 305 or pore structure. Both the first connecting member 308 and the second connecting member 309 may be rod structures.

Further, the extension direction of the first guide rail D1 is perpendicular to the extension direction of the third sliding part H3, that is, the extension direction of the first guide rail D1 is perpendicular to the extension direction of the first protrusion; The extension direction of the second guide rail D2 is perpendicular to the extension direction of the fifth sliding portion H5 , that is, the extension direction of the second guide rail D2 is perpendicular to the extension direction of the second protrusion.

The extending direction of the third sliding part H3 is set obliquely relative to the plane where the display panel 20 is located, the extending direction of the fifth sliding part H5 is set obliquely relative to the plane where the display panel 20 is located, and the fourth sliding part The extending direction of H4 is set parallel to the plane where the display panel 20 is located, and the extending direction of the sixth sliding portion H6 is set parallel to the plane where the display panel 20 is located. That is to say: the extending direction of the first bump is set obliquely relative to the plane where the display panel 20 is located, the extending direction of the second bump is set obliquely relative to the plane where the display panel 20 is located, and the third bump is set obliquely relative to the plane where the display panel 20 is located. The extending direction of the protrusion is set parallel to the plane where the display panel 20 is located, and the extending direction of the third guide groove is set parallel to the plane where the display panel 20 is located.

Please refer to Figure 12 and Figure 13 further, Figure 12 is a partial perspective view of the first end provided by the embodiment of the present application in a flattened state, and Figure 13 is a partial perspective view of the first end provided by the embodiment of the present application in a folded state Partial perspective. During the transition of the first end portion P1 from the unfolded state to the folded state, the fourth sliding portion H4 moves relative to the sixth sliding portion H6 along a direction parallel to the plane where the display panel 20 is located. ; Under the sliding cooperation between the first sliding part H1 and the third sliding part H3, and the sliding cooperation between the second sliding part H2 and the fifth sliding part H5, the first sliding member 304 and the second sliding member 305 move synchronously into the receiving groove of the first base 303; the first connecting piece 308 drives the first guide rail D1 to move, and the second connecting piece 309 drives the first The movement of the two guide rails D2 realizes the synchronous flipping of the first torsion member 306 and the second torsion member 307 , and realizes the synchronous folding of the left and right sides of the folding display device.

Please continue to refer to FIG. 4 to FIG. 8 , the first end portion P1 further includes a first rotating shaft 311 and a second rotating shaft 312 , and the first torsion member 306 communicates with the first rotating shaft 311 through the first rotating shaft 311 . The base 303 is rotatably connected, and the second torsion member 307 is rotatably connected to the first base 303 through the second rotating shaft 312 . Wherein, the first rotating shaft 311 and the second rotating shaft 312 are arranged on opposite sides of the first base 303 respectively, and the first rotating centerline is the central axis of the first rotating shaft 311 , the second rotation centerline is the central axis of the second rotation shaft 312 .

The first end P1 further includes: a third torsion member 310 , a first elastic member 313 passing through the first rotating shaft 311 , and a second elastic member passing through the second rotating shaft 312 . Member 314.

Please refer further to FIG. 14 , which is a partially disassembled view of the first end part provided by the embodiment of the present application. The first torsion member 306 includes a first cam T1 passing through the first rotating shaft 311 , the second torsion member 307 includes a second cam T2 passing through the second rotating shaft 312 , The third torsion member 310 includes a third cam T3 passed on the first rotating shaft 311 and matched with the first cam T1 , and a third cam T3 passed on the second rotating shaft 312 and matched with the first cam T1 . The fourth cam T4 matched with the second cam T2. The opposite ends of the first elastic member 313 abut against the third torsion member 310 and the first base 303 respectively, and the opposite ends of the second elastic member 314 respectively abut against the third torsion Component 310 and the first base 303 .

In this embodiment, during the rotation process of the first torsion member 306 and the second torsion member 307, the cooperative relationship between the first cam T1 and the third cam T3 and the second cam T2 are utilized Cooperating with the fourth cam T4, a torsion force is applied to the first torsion member 306 and the second torsion member 307 to realize the flattening and folding driving of the rotating mechanism.

Further, the first cam T1 and the second cam T2 are provided with two protrusions at equal intervals, and the third cam T3 and the fourth cam T4 are provided with protrusions that are identical to the first cam T1 and the second cam T4. The groove part corresponding to the convex part on the two cams T2; utilize the cooperative relationship between the convex part and the groove part to realize that the rotating mechanism is formed when it is closed within the range of 0 degrees to 30 degrees during the closing process Closing torsion, and when unfolding to 150-180 degrees during the unfolding process, it will form an unfolding torsion, and no torsion will be generated when it is in the range of 30-150 degrees, so as to realize automatic closing and automatic deployment within a certain angle range.

Optionally, both the first elastic member 313 and the second elastic member 314 are springs.

Please continue to refer to FIGS. 4 to 8 , the first end P1 further includes: a second base 318 fixedly connected to the first base 303 , a first support plate 301 rotatably connected to the second base 318 and The second support plate 302 . The first support plate 301 includes a third guide rail D3, the end of the first torsion member 306 away from the first base 303 is slidably connected to the third guide rail D3; the second support plate 302 includes a fourth guide rail D4, the end of the second torsion member 307 away from the first base 303 is slidably connected to the fourth guide rail D4. Wherein, both the third guide rail D3 and the fourth guide rail D4 extend from the second base 318 in a direction away from the second base 318 .

The first support plate 301 drives the first torsion member 306 to rotate, the second support plate 302 drives the second torsion member 307 to rotate, and passes through the first sliding member 304 and the second sliding member 305 realizes the synchronous rotation of the first support plate 301 and the second support plate 302 .

Further, the third guide rail D3 includes a first sliding hole disposed on the side of the first support plate 301 away from the display panel 20 , and the end of the first torsion member 306 away from the first base 303 is disposed There is a first sliding rod 315 , and the first sliding rod 315 is slidingly connected to the first sliding hole through a buckle 317 , so as to realize the sliding connection between the third guide rail D3 and the first torsion member 306 .

The fourth guide rail D4 includes a second sliding hole disposed on the side of the second support plate 302 away from the display panel 20 , and the end of the second torsion member 307 away from the first base 303 is provided with a second A sliding rod 316 , the second sliding rod 316 is slidingly connected to the second sliding hole through a buckle 317 , so as to realize the sliding connection between the fourth guide rail D4 and the second torsion member 307 .

Please refer to FIG. 4 and FIG. 15 . FIG. 15 is a schematic diagram of a partial structure of the first end near the second base provided by the embodiment of the present application. The side of the second base 318 facing the display panel is provided with a first sliding groove and a second sliding groove; the first end P1 further includes: a first sliding groove slidably connected to the first sliding groove block 319, and a second sliding block 320 that is slidably connected to the second sliding groove; the first sliding block 319 is fixedly connected to the first support plate 301, and the second sliding block 320 is connected to the second The support plate 302 is fixedly connected.

Both the first sliding groove and the second sliding groove are arc-shaped grooves arranged on the second base 318, by setting the first sliding block 319 fixedly connected with the first support plate 301, and with the The second support plate 302 is fixedly connected to the second sliding block 320 , so that the first support plate 301 and the second support plate 302 can rotate around the second base 318 .

Wherein, both the first base 303 and the second base 318 are fixedly connected to the cover 40 of the foldable display device.

In summary, the folding display device provided by the embodiment of the present application includes a display panel and a rotating mechanism supporting the display panel. The rotating mechanism includes a first sliding member and a second sliding member that are slidably connected to each other. The first sliding member and the second sliding The components are all slidably connected to the first base, the first sliding component includes a first guide rail, the second sliding member includes a second guide rail, the first torsion member is rotationally connected with one side of the first base around the first rotation centerline, and the second torsion member The member is rotationally connected with the other side of the first base around the second rotation centerline, the first torsion member includes a first connecting piece, the second torsion member includes a second connecting piece, the first connecting piece is slidably connected to the first guide rail, and the second torsion member includes a second connecting piece. The two connecting pieces are slidingly connected to the second guide rail, and the central axis of the first connecting piece does not coincide with the first rotation centerline, and the central axis of the second connecting piece does not coincide with the second rotation centerline. In the embodiment of the present application, a first sliding member and a second sliding member that are slidably connected to each other are provided, both of which are slidably connected to the first base, and the first sliding member is connected to the first sliding member on the first torsion member through the first guide rail. The connecting piece is slidably connected, and the second sliding member is slidably connected to the second connecting piece on the second torsion member through the second guide rail, so that the relative sliding of the first sliding member and the second sliding member can drive the opposite sides of the rotating mechanism Synchronous folding improves fluency and stability during folding.

It should be noted that although the present application discloses the above with specific embodiments, the above-mentioned embodiments are not intended to limit the present application, and those skilled in the art can make various modifications without departing from the spirit and scope of the present application. Therefore, the protection scope of the present application is subject to the scope defined by the claims.

Claims

A folding display device, which includes a display panel and a rotating mechanism supporting the display panel; the rotating mechanism includes:

first base;

A first sliding member and a second sliding member, the first sliding member is slidably connected to the first base, the second sliding member is slidably connected to the first base, the first sliding member is slidably connected to the first base, Two sliding members are slidingly connected, the first sliding member includes a first guide rail, and the second sliding member includes a second guide rail;

A first torsion member and a second torsion member, the first torsion member is rotatably connected to one side of the first base around a first rotation centerline, and the second torsion member is connected to the other side of the first base The first torsion member includes a first connecting piece, the second torsion member includes a second connecting piece, and the first torsion member is slidably connected to the first guide rail. The second connecting piece is slidably connected to the second guide rail;

The central axis of the first connecting member does not coincide with the first rotational centerline, and the central axis of the second connecting member does not coincide with the second rotational central line.
The folding display device according to claim 1, wherein the first base is provided with a receiving groove, and one side of the receiving groove is provided with a first sliding part, and the first sliding member and the first sliding part sliding connection;

The other side of the receiving groove is provided with a second sliding part, and the second sliding member is slidably connected with the second sliding part.
The folding display device according to claim 2, wherein a third sliding part is provided on one side of the first sliding member, and a fourth sliding part is provided on the other side of the first sliding member; The sliding part is slidably connected with the first sliding part.
The folding display device according to claim 3, wherein a fifth sliding part is provided on one side of the second sliding member, and a sixth sliding part is provided on the other side of the second sliding member; the fifth The sliding part is slidably connected with the second sliding part, and the fourth sliding part is slidably connected with the sixth sliding part.
The folding display device according to claim 4, wherein the first sliding part includes a first guiding groove, and the third sliding part includes a first protrusion slidingly fitted with the first guiding groove.
The folding display device according to claim 5, wherein the second sliding part comprises a second guiding groove, and the fifth sliding part comprises a second protrusion slidingly fitted with the second guiding groove.
The foldable display device according to claim 6, wherein the fourth sliding part comprises a third protrusion, and the sixth sliding part comprises a third guide groove slidingly fitted with the third protrusion.
The folding display device according to claim 6, wherein the extending direction of the first guide rail is perpendicular to the extending direction of the first protrusion;

The extending direction of the second guide rail is perpendicular to the extending direction of the second protrusion.
The foldable display device according to claim 6, wherein the extension direction of the first protrusion is set obliquely relative to the plane where the display panel is located, and the extension direction of the second protrusion is relative to the plane where the display panel is located Tilt setting.
The folding display device according to claim 7, wherein the extension direction of the third protrusion is parallel to the plane where the display panel is located, and the extension direction of the third guide groove is relative to the plane where the display panel is located. Plane-parallel setup.
The folding display device according to claim 1, wherein the first guide rail includes a groove structure or a hole structure, and the second guide rail includes a groove structure or a hole structure;

Both the first connector and the second connector include a rod structure.
The folding display device according to claim 1, wherein the folding display device further comprises a first rotating shaft and a second rotating shaft, and the first torsion member rotates with the first base through the first rotating shaft connected, the second torsion member is rotatably connected to the first base through the second rotating shaft.
The folding display device according to claim 12, wherein the folding display device further comprises a third torsion member passing through the first rotating shaft and the second rotating shaft, and passing through the first rotating shaft. The first elastic member on the rotating shaft, and the second elastic member passing through the second rotating shaft.
The folding display device according to claim 13, wherein the first torsion member includes a first cam that passes through the first rotating shaft, and the second torsion member includes a cam that passes through the second rotating shaft. The second cam on the shaft, the third torsion member includes a third cam that is passed on the first rotating shaft and matched with the first cam, and a third cam that is passed on the second rotating shaft and A fourth cam cooperating with the second cam.
The foldable display device according to claim 14, wherein the opposite ends of the first elastic member abut against the third torsion member and the first base respectively, and the opposite ends of the second elastic member abut against the third torsion member and the first base respectively.
The foldable display device according to claim 1, wherein the foldable display device further comprises a second base fixedly connected to the first base, a first support plate and a second support rotatably connected to the second base plate.
The folding display device according to claim 16, wherein the first support plate includes a third guide rail, and the end of the first torsion member away from the first base is slidably connected to the third guide rail;

The second support plate includes a fourth guide rail, and the end of the second torsion member away from the first base is slidably connected to the fourth guide rail.
The foldable display device according to claim 17, wherein the third guide rail includes a first sliding hole provided on the side of the first support plate away from the display panel, and the fourth guide rail includes a first slide hole provided on the side of the first support plate away from the display panel. The second support plate is away from the second sliding hole on the side of the display panel;

The end of the first torsion member away from the first base is provided with a first sliding rod, and the first sliding rod is slidably connected to the first sliding hole;

The end of the second torsion member away from the first base is provided with a second sliding rod, and the second sliding rod is slidably connected with the second sliding hole.
The folding display device according to claim 17, wherein a first sliding groove and a second sliding groove are provided on a side of the second base facing the display panel;

The folding display device further includes a first sliding block slidably connected to the first sliding groove, and the first sliding block is fixedly connected to the first support plate;

The folding display device further includes a second sliding block slidably connected to the second sliding groove, and the second sliding block is fixedly connected to the second support plate.
A folding display device, which includes a display panel and a rotating mechanism supporting the display panel; the rotating mechanism includes:

first base;

A first sliding member and a second sliding member, the first sliding member is slidably connected to the first base in a direction inclined to the plane where the display panel is located, the second sliding member is connected to the first base along the direction The plane where the display panel is located is slidably connected in an inclined direction, the first sliding member and the second sliding member are slidably connected in a direction parallel to the plane where the display panel is located, the first sliding member includes a first guide rail, The second slide member includes a second guide rail;

A first torsion member and a second torsion member, the first torsion member is rotatably connected to one side of the first base around a first rotation centerline, and the second torsion member is connected to the other side of the first base The first torsion member includes a first connecting piece, the second torsion member includes a second connecting piece, and the first torsion member is slidably connected to the first guide rail. The second connecting piece is slidably connected to the second guide rail;

The central axis of the first connecting member does not coincide with the first rotational centerline, and the central axis of the second connecting member does not coincide with the second rotational central line;

The direction in which the first connecting piece slides along the first guide rail is perpendicular to the direction in which the first sliding member slides relative to the first base, and the direction in which the second connecting piece slides along the second guide rail is perpendicular to the direction in which the first sliding member slides relative to the first base. The direction in which the second sliding member slides relative to the first base is vertical.